I frequently think and observe (possibly with a level of envy?) at the cohesiveness of the platform (in most cases) in the Apple ecosystem. There’s some work right now in the FreeDesktop-land world that’s getting closer to this with the growth of Wayland - I remember reading something on the KDE planet about how it can be used with things like
systemd to help make running graphical applications more secure (cgroups, restrictions, etc).
I really do hope that more work in the open space is being invested - we’re getting closer and closer to complete and absolute vendor lock-in with a lot of things and when things smack the world more, we’ll need some sort of an option. Neither Google, Microsoft or Apple can explicitly provide this (they’ve helped erect this new landscape for profit.